Definition of involutes:
(adj) :
(formal) Difficult to understand; complicated.
(adj) :
(botany) Having the edges rolled with the adaxial side outward.
(adj) :
(biology, of shells) Having a complex pattern of coils in which younger whorls only partly surround older ones.
(adj) :
(biology) Turned inward at the margin, like the exterior lip of the shells of species in genus Cypraea.
(adj) :
(biology) Rolled inward spirally.
(v) :
To roll or curl inwards.